Substituting an objectView Principles overview
Within a ConversationWith the exception of inputs, you should never use substitution within a Conversation.
However you will use '@' & in certain situations 'do-ID' as shown;
Within a LibraryLibraries are where substitution and object management can become unwieldy, so lets examine the simplest & most frequently used.
To rewrite the value 'X' from the Conversation to 'itm_0' we'll use the following;
This technique is used, to enable one attribute within a Conversation to be interpreted independently by more than one Library.